283969 has 8 divisors (see below), whose sum is σ = 328320. Its totient is φ = 240576.

The previous prime is 283961. The next prime is 283979. The reversal of 283969 is 969382.

283969 is nontrivially palindromic in base 8.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 283969 - 2³ = 283961 is a prime.

It is a super-2 number, since 2×283969² = 161276785922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (41040).

2²⁸³⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

283969 is a deficient number, since it is larger than the sum of its proper divisors (44351).

283969 is a wasteful number, since it uses less digits than its factorization.

283969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 23328, while the sum is 37.

The square root of 283969 is about 532.8874177535. The cubic root of 283969 is about 65.7289927925.

The spelling of 283969 in words is "two hundred eighty-three thousand, nine hundred sixty-nine".